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40 lines
856 B
40 lines
856 B
/*
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* Copyright (c) 2018 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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public class ArrayCost {
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private void ArrayCost_FP(int signum, int[] mag) {
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if (mag.length > 0) {
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int i = 0;
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while (i < mag.length && mag[i] == 0) {
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i++;
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}
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}
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}
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private static boolean isPowOfTwo_FP(int value) {
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int ones = 0;
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int v = value;
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for (int shifts = 0; shifts < 31 && ones <= 1; shifts++) {
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if ((v & 1) == 1) {
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ones++;
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}
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v >>= 1;
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}
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return ones == 1;
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}
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}
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